ground loop and woofers?

[jawnn]

How do I build a ground loop protector? I want to add a CD player to my stereo. run from thet same batterys.

And is there a way to wire a single woofer to both rear chanels?

[12vman]

Just isolate the input audio connections..

https://www.allelectronics.com/make-a-store/item/GL-15/AUDIO-GROUND-LOOP-ISOLATOR/1.html

Use a dual coil subwoofer. Connect each output to a seperate coil..

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